← AI agent vulnerabilities

CVE-2025-66032

Claude Code

9.8
Severity
Critical
Published
December 3, 2025
Last modified
June 17, 2026

Claude Code is an agentic coding tool. Prior to 1.0.93, Due to errors in parsing shell commands related to $IFS and short CLI flags, it was possible to bypass the Claude Code read-only validation and trigger arbitrary code execution. Reliably exploiting this requires the ability to add untrusted content into a Claude Code context window. This vulnerability is fixed in 1.0.93.

CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness

References

CVE-2025-66032 on NVD

Listed in

CriticalClaude CodeCommand injection

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